ZX Spectrum +128K Extra BASIC Keywords Explained | Mister Spectrum
... ZX Spectrum. References Sinclair ZX Spectrum BASIC Programming, Steven Vickers (author), Robin Bradbeer (editor) ZX <strong>Spectrum 128</strong> Introduction, Sinclair Research Ltd (publisher) ZX Spectrum+2, Amstrad Consumer Electronics (publisher), Ivor Spittal (author), Robin Goodwins (author), Steven Vickers (extracts only), Robin Bradbeer ...